Stormwater and drainage

Christchurch's waterways have drainage, ecological, recreational, cultural, heritage and amenity values.

Wet weather and flooding

When to get in touch with us, how we respond and what you can do.

Flooding and floor levels

Flood modelling information, along with minimum floor levels for buildings.

Stormwater policies and strategies

Policies and strategies relating to stormwater and drainage.

Stormwater and your property

Drainage plans, guidance and information about stormwater on private property.

Drainage plans for your property

Use our interactive map to see public utility pipelines and waterways.

Industrial stormwater

Apply for an industrial stormwater discharge licence.

Surface flooding reduction

Resolving surface flooding at sites that experience regular issues.


Related news

Water like you oughta this summer

Christchurch City Council is asking residents across Christchurch and Banks Peninsula to be mindful of their water use this summer to help keep the water supply network running smoothly.

23 Dec 2025

Marine hotels provide insights into Lyttelton Harbour health

Deep below the surface of Whakaraupō Lyttelton Harbour are invertebrates offering important clues about the health of the harbour.

17 Dec 2025

Harewood Road ‘super week’ starts in January

Contractors will be working 24/7 in a ‘super week’ of construction to speed up the installation of new traffic signals and upgrades to water supply pipes on Harewood Road.

16 Dec 2025

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